By Yoshihiko Ohama, Dionys Van Gemert
Titanium dioxide photocatalysis relies at the semiconducting nature of its anatase crystal style. development fabrics with titanium photocatalyst express performances of air purification, self-cleaning, water purification, antibacterial motion.
This publication describes ideas of titanium dioxide photocatalysis, its purposes to cementitious and noncementitious fabrics, in addition to an summary of standardization of trying out methods.
Read Online or Download Applications of Titanium Dioxide Photocatalysis to Construction Materials: State-of-the-Art Report of the RILEM Technical Committee 194-TDP PDF
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Additional resources for Applications of Titanium Dioxide Photocatalysis to Construction Materials: State-of-the-Art Report of the RILEM Technical Committee 194-TDP
2004. RILEM proceedings PRO 41. RILEM Publications, Bagneux, pp 35–40 43. Sunada K, Watanabe T, Hashimoto K (2003) Studies on photokilling bacteria on TiO2 thin film. J Photochem Photobiol A 156:227–233 44. Taoda H (2004) The newest trends in development of photocatalytic materials. Eng Mater 52(11):32–37, Kogyo-Zairyo (in Japanese) 45. Tilley JD (1987) Defect crystal chemistry. Blackie, London 46. ) (1979) Chemistry and physics of solid surfaces, vol 1–6. Springer, Berlin 47. Wang R, Hashimoto K, Fujishima A, Chikuni M, Kojima E, Kitamura A, Shimohigashi M, Watanabe T (1997) Light-induced amphiphilic surfaces.
Van Gemert Katholieke Universiteit Leuven, Heverlee, Belgium Y. Ohama and D. 1007/978-94-007-1297-3_7, © RILEM 2011 43 References 1. Adamson AW (1982) Physical chemistry of surfaces, 4th edn. Wiley, New York 2. Asahi R, Morikawa T, Ohwaki T, Aoki K, Taga Y (2001) Visible-light photocatalysis in nitrogen-doped titanium oxides. Science 293(5528):269–271 3. Baglioni P, Cassar L (2007) Proceedings of the international RILEM symposium on photocatalysis, environment and construction materials – TDP 2007.
2 illustrates the NOx removal schematic of the photocatalytic block  The NOx removal of the photocatalyst is effective because the hardened body of the cement is porous. Moreover, the active oxygens generated by the light adsorption of the photocatalyst cannot oxidize the cement, which is already a mixture of oxides. The nitrate ions or nitric acid generated by photocatalysis are neutralized depending on alkaline dusts in the environmental air. The photocatalytic blocks have sufficient durability.